This usually means the firmware file version is incompatible with your specific NAND flash. Try a different firmware (.bin) file.
: Use a small plastic pry tool to split the plastic casing of your USB drive and expose the PCB board.
When consumer-grade formatting tools fail, you must resort to a Mass Production Tool ()—specifically, the authoritative industrial flashing utility known as Phison MPALL . 1. Understanding the Hardware Stack phison ps2251-07-ps2307- mptool
: A string of alphanumeric pairs (e.g., AD 3A 14 AB 42 4A ) that identifies the exact manufacturer and architecture of the NAND flash memory chip inside the casing. NAND Type : (e.g., Toshiba MLC, Hynix TLC, Micron). Step 2: Acquire the Correct Software Component Stack
controller. Recovering these drives requires a specialized "Mass Production Tool" (MPTool), typically or ST-Tool , to re-flash the firmware and restore the NAND flash memory to its factory state. Understanding the PS2251-07 (PS2307) Controller The Phison PS2251-07 This usually means the firmware file version is
Look for the field. Confirm that it displays PS2251-07 or PS2307 .
This alternative supports PS2251-07 and PS2251-67 controllers. ST-TOOL is particularly useful for: When consumer-grade formatting tools fail, you must resort
Phison’s PS2251-07 and PS2307 are USB flash drive controller families widely used in low- to mid-range removable storage devices. MPTool (Manufacturer/MP Tool) is the vendor-supplied utility used by manufacturers, repair technicians, and advanced users to program firmware, format, configure, and diagnose Phison-based USB drives.
Download a hardware identification tool like ChipGenius or Flash Drive Information Extractor. Plug in your USB drive. Look for the "Controller" or "Chip Model" line.